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<?php
$filePath = '/vagrant/data/anniballo.com';

/**
 * Class FolderFilter
 */
class DotFilter extends RecursiveFilterIterator
{

    /**
     * @return bool
     */
    public function accept()
    {

        return !$this->getInnerIterator()->isDot();
    }
}
$filter = new DotFilter(new RecursiveDirectoryIterator($filePath));
function scan($iterator,$level = null){
    foreach($iterator as $index => $value){
        if($level){
            $value = basename($value);
        }
        echo ($iterator->hasChildren()?'[D] ':'[F] '),$level, $value, PHP_EOL;
        if($iterator->hasChildren()){
            scan($iterator->getChildren(),$level."--> ");
        }
    }
}
scan($filter);
// Output:
/*
[...]
[F] /vagrant/data/anniballo.com/wp-blog-header.php
[F] /vagrant/data/anniballo.com/wp-comments-post.php
[F] /vagrant/data/anniballo.com/wp-config-sample.php
[F] /vagrant/data/anniballo.com/wp-config.php
[D] /vagrant/data/anniballo.com/wp-content
[F] --> .DS_Store
[F] --> index.php
[D] --> languages
[F] --> --> admin-it_IT.mo
[F] --> --> admin-it_IT.po
[F] --> --> admin-network-it_IT.mo
[F] --> --> admin-network-it_IT.po
[F] --> --> continents-cities-it_IT.mo
[F] --> --> continents-cities-it_IT.po
[F] --> --> it_IT.mo
[F] --> --> it_IT.po
[D] --> --> plugins
[F] --> --> --> akismet-it_IT.mo
[F] --> --> --> akismet-it_IT.po
[D] --> --> themes
[F] --> --> --> twentyfifteen-it_IT.mo
[F] --> --> --> twentyfifteen-it_IT.po
[F] --> --> --> twentyfourteen-it_IT.mo
[F] --> --> --> twentyfourteen-it_IT.po
[F] --> --> --> twentysixteen-it_IT.mo
[F] --> --> --> twentysixteen-it_IT.po
[D] --> plugins
[F] --> --> .DS_Store
[D] --> --> akismet
[F] --> --> --> .htaccess
[...]
*/